CVE-2018-25432: Arm Whois 3.11 Buffer Overflow via ASLR Bypass

Severity: high (CVSS 8.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-06-01 · updated 2026-07-22
Weakness: CWE-120

Description

Arm Whois 3.11 contains a buffer overflow vulnerability that allows local attackers to execute arbitrary code by overwriting the structured exception handler. Attackers can craft a malicious input file with a 672-byte offset to overwrite the nSEH and SEH pointers, enabling code execution through exception handler hijacking.

Affected products

Armcode Arm Whois: 3.11

References

http://www.armcode.com
http://www.armcode.com/downloads/arm-whois.exe
https://www.exploit-db.com/exploits/45907
https://www.vulncheck.com/advisories/arm-whois-buffer-overflow-via-aslr-bypass

Get alerted when CVE-2018-25432 or the next vulnerability affects your stack